[n] C. R. Hoffmann, “Extraction System Model Experiments for the Chalk River Superconducting Cyclotron”, in Proc. Cyclotrons'81, Caen, France, Sep. 1981, paper EP-32, pp. 497-499.
%\cite{Hoffmann:Cyclotrons81-EP-32} \bibitem{Hoffmann:Cyclotrons81-EP-32} C. R. Hoffmann, \textquotedblleft{Extraction System Model Experiments for the Chalk River Superconducting Cyclotron}\textquotedblright, in \emph{Proc. Cyclotrons’81}, Caen, France, Sep. 1981, paper EP--32, pp. 497--499.
@inproceedings{hoffmann:cyclotrons81-ep-32, author = {C. R. Hoffmann}, title = {{Extraction System Model Experiments for the Chalk River Superconducting Cyclotron}}, booktitle = {Proc. Cyclotrons'81}, pages = {497--499}, paper = {EP-32}, venue = {Caen, France, Sep. 1981}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/c81/papers/EP-32.pdf}, language = {english} }